GitHub outage, 4 September 2026
Disruption with Copilot Code Review
- Started
- Resolved
- 4 Sept 2026, 22:26 UTC (after 1 h 47 min)
- Impact
- Major
Last update from GitHub
On September 4, 2026, between 20:04 and 22:26 UTC, GitHub Copilot code review experienced an increased failure rate. Affected pull request reviews failed to complete or post review comments.<br /><br />The incident was caused by a change to the service’s authentication permissions that prevented it from submitting affected reviews to the GitHub API. We reverted the change and restored normal operation by 22:26 UTC.<br /><br />We apologize for the disruption.
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